To have skinned taskbar and start menu on Windows 10 you need to install Start is back from here, Disable blur and '0' transparency for start menu.

on Win10 to remove 3D Objects folder, OneDrive and Quick access from This PC and Navigation Pane use Winaero Tweaker from here

Note: Please unistall old or other version of skin packs before install new one. if your theme not changed or its like classic windows you need to install uxtheme patcher from here and after restart select new theme from personalization.Use it at your own risk!
You’re advised to Create a System Restore Point before installing skinpack.If you have problem with install or uninstall skinpack, please check our help page.